Home / 146,041.31-201,537.05-78,973.31

Finding the Fourth Proportional to 146,041.31, 201,537.05 and 78,973.31

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Solution

The fourth proportional to 146,041.31, 201,537.05 and 78,973.31 is: 108,983.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,041.31 : 201,537.05 = 78,973.31 : x
  2. Step 2: Convert to fraction form
    146,041.31/201,537.05 = 78,973.31/x
  3. Step 3: Cross multiply
    146,041.31x = 201,537.05 × 78,973.31
  4. Step 4: Simplify right side
    146,041.31x = 15,916,048,035.11
  5. Step 5: Solve for x
    x = 15,916,048,035.11/146,041.31
  6. Step 6: Final answer
    x = 108,983.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.